Check: WNDF-AV-000017
Microsoft Defender Antivirus STIG:
WNDF-AV-000017
(in version v2 r4)
Title
Microsoft Defender AV Group Policy settings must take priority over the local preference settings. (Cat II impact)
Discussion
This policy setting configures a local override for the configuration to turn on real-time protection. This setting can only be set by Group Policy. If this setting is enabled, the local preference setting will take priority over Group Policy. If this setting is disabled or not configured, Group Policy will take priority over the local preference setting.
Check Content
Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Real-time Protection >> "Configure local setting override to turn on real-time protection" is set to "Disabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection Criteria: If the value "LocalSettingOverrideDisableRealtimeMonitoring" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.
Fix Text
Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Real-time Protection >> "Configure local setting override to turn on real-time protection" to "Disabled" or "Not Configured".
Additional Identifiers
Rule ID: SV-213441r823054_rule
Vulnerability ID: V-213441
Group Title: SRG-APP-000278
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-001242 |
The organization configures malicious code protection mechanisms to perform real-time scans of files from external sources at endpoints as the files are downloaded, opened, or executed in accordance with organizational security policy. |
Controls
| Number | Title |
|---|---|
| SI-3 |
Malicious Code Protection |